Pneumatic tire tread and buttress



FIG. 1 is a perspective view, partly schematic, of a pneumatic tire tread and buttress embodying my new design, it being understood _that the pattern is repeated throughout the circumference of the tread _and buttress, as shown schematically by solid lines, and that the _buttress pattern is repeated on the opposite side;

FIG. 2 is an enlarged, fragmentary developmental plan view of the tread and buttress of FIG. 1; and

FIG. 3 is an enlarged sectional view of the tread and buttress, taken substantially as indicated by line 3--3 of FIG. 2. 

The ornamental design for a pneumatic tire tread and buttress, as shown and described. 